<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>第1个DIV标签</div>
<div>第2个DIV标签</div>
<p>第1个P标签</p>
<p>第2个P标签</p>
<ul>
    <li>这里是ul标签包裹的li标签</li>
    <li>这里是ul标签包裹的li标签</li>
    <li>这里是ul标签包裹的li标签</li>
</ul>
<ol>
    <li>这里是ol标签包裹的li标签</li>
    <li>这里是ol标签包裹的li标签</li>
    <li>这里是ol标签包裹的li标签</li>
</ol>
<span>span标签1</span>
<span>span标签2</span>
<span>span标签3</span>
<a href="https://www.baidu.com/">第一个标签a</a>
<a href="http://www.12306.cn/mormhweb/">第二个标签a</a>
<img src="https://www.google.com.hk/images/branding/googlelogo/2x/googlelogo_color_120x44dp.png" alt="google图片" >
<p>下面是3个br</p>
<br>
<br>
<br>
<p>下面是3个hr</p>
<hr>
<hr>
<hr>
<table>
    <thead>
    <tr>
        <th>1</th>
        <th>2</th>
        <th>3</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>001</td>
        <td>002</td>
        <td>003</td>
    </tr>
    </tbody>
</table>
<h1>h1</h1>
<h2>h2</h2>
<h3>h3</h3>
<script>
    console.log("现在可以开始写javascript代码了")
</script>
</body>
</html>